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Name:
Acrioceras sp.
Age: Cretaceous
Formation: Schilovka Formation
Location: Central Russia
Size: Ammonite is over 2 inches long
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This is a rare heteromorphic ammonite. It is a fine Acrioceras sp. from Central Russia. This specimen was acquired from the famous Chance Collection. This type of ammonite is loosely coiled, and this specimen displays this feature in textbook fashion. The ammonite has very fine detail, with the ribbing pattern very easily seen and the tiny inner coils of the ammonite wonderfully intact. The colorful nacreous shell still has some of the striking iridescence preserved. The ammonite is well showcased on the natural, concretionary block of limestone. This is a very nice example of an uncommon heteromorphic ammonite. (Comes with Dr. Chance's original reference photo and ID notes.)
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